| Harpenden to Austin (Texas) | 4,896.07 mi (7,879.47 km) |
| Harpenden to Austintown (Ohio) | 3,698.35 mi (5,951.92 km) |
| Harpenden to Avenal (California) | 5,363.80 mi (8,632.20 km) |
| Harpenden to Avenel (New Jersey) | 3,461.76 mi (5,571.17 km) |
| Harpenden to Aventura (Florida) | 4,403.25 mi (7,086.35 km) |
| Harpenden to Avocado Heights (California) | 5,411.90 mi (8,709.60 km) |
| Harpenden to Avon (Indiana) | 3,981.03 mi (6,406.85 km) |
| Harpenden to Avon (Ohio) | 3,732.55 mi (6,006.95 km) |
| Harpenden to Avon Lake (Ohio) | 3,730.36 mi (6,003.43 km) |
| Harpenden to Avondale (Arizona) | 5,261.19 mi (8,467.07 km) |
| Harpenden to Azalea Park (Florida) | 4,321.15 mi (6,954.22 km) |
| Harpenden to Azle (Texas) | 4,752.09 mi (7,647.76 km) |
| Harpenden to Azusa (California) | 5,403.49 mi (8,696.08 km) |
| Harpenden to Bacliff (Texas) | 4,829.52 mi (7,772.37 km) |
| Harpenden to Badger (Alaska) | 4,189.28 mi (6,741.99 km) |
